scholarly journals Regional Bond Strengths and Failure Analysis of Fiber Posts Bonded to Root Canal Dentin

2008 ◽  
Vol 33 (6) ◽  
pp. 636-643 ◽  
Author(s):  
J. Aksornmuang ◽  
M. Nakajima ◽  
R. M. Foxton ◽  
W. Panyayong ◽  
J. Tagami
Keyword(s):  
Failure Analysis ◽  
Root Canal ◽  
Clinical Relevance ◽  
Fiber Post ◽  
Bonding Quality ◽  
Failure Patterns ◽  
Fiber Posts ◽  
Bond Strengths ◽  
Root Canal Dentin

Clinical Relevance The bond strengths of fiber posts to root canal dentin could be affected by the characteristics of the fiber post and its bonding quality. The failure patterns of fiber-post bonded root canal dentin were dependent upon the post system.

scholarly journals Adhesive Durability Inside the Root Canal Using Self-adhesive Resin Cements for Luting Fiber Posts

2017 ◽  
Vol 42 (6) ◽  
pp. E167-E176 ◽  
Author(s):  
K Bitter ◽  
A Maletic ◽  
K Neumann ◽  
L Breschi ◽  
G Sterzenbach ◽  
...  
Keyword(s):  
Bond Strength ◽  
Root Canal ◽  
Fiber Post ◽  
Resin Cements ◽  
Adhesive Resin ◽  
Fiber Posts ◽  
Silver Deposits ◽  
Bond Strengths ◽  
One Year ◽  
Push Out

SUMMARY Objectives: The aim of the study was to investigate the effects of various self-adhesive resin cements on the push-out bond strengths and nanoleakage expression at the luting interfaces of fiber posts immediately and after one year of aging. Methods and Materials: One hundred forty-four extracted human anterior teeth were endodontically treated. After post space preparation, fiber posts were luted using five commercially available self-adhesive resin (SAR) cements and a core build-up material applied with a self-etch adhesive (BF: Bifix SE/Rebilda Post, VOCO; CSA: Clearfil SA Cement/Rely X Fiber Post, 3M ESPE; RX: RelyX Unicem 2/Rely X Fiber Post, 3M ESPE; SPC: Speed Cem/FRC Postec, Ivoclar Vivadent; SMC: Smart Cem/X Post, Dentsply; RB: Rebilda DC-Futurabond/Rebilda Post; n=22). For each group, half of the specimens were subjected to thermocycling (TC) (5°C-55°C, 10,000 cycles) and stored humid for one year at 37°C. Push-out bond strength data of six slices (thickness 1 mm) per root and nanoleakage expression of representative specimens were evaluated after 24 hours (baseline) and after TC and storage for one year (aging), respectively. Results: Bond strength differed significantly among resin cements (p<0.0005) and the location inside the root canal (p<0.0005), but not by aging (p=0.390; repeated-measures analysis of variance). SMC (14.6±5.8 MPa) and RX (14.1±6.8 MPa) revealed significantly higher bond strength compared to BF (10.6±5.4 MPa) and RB (10.0±4.6 MPa) but differed not significantly from SPC (12.8±4.8) MPa; CSA (6.1±4.6 MPa) revealed significantly lower bond strength compared to all other investigated materials (p<0.05; Tukey Honestly Significantly Different). Qualitative nanoleakage analysis revealed more silver deposits at the interface in all groups after aging. For CSA, a large amount of silver deposits inside the cement was also observed at baseline and after aging. Conclusions: Fiber post luting using SAR cements demonstrated reliable bond strengths. Product-specific differences and initial degradation effects could be demonstrated.

Various irrigation protocols for final rinse to improve bond strengths of fiber posts inside the root canal

2013 ◽  
Vol 121 (4) ◽  
pp. 349-354 ◽  
Author(s):  
Kerstin Bitter ◽  
Ani Hambarayan ◽  
Konrad Neumann ◽  
Uwe Blunck ◽  
Guido Sterzenbach
Keyword(s):  
Root Canal ◽  
Fiber Posts ◽  
Bond Strengths

Effect of different surface treatments on the push-out bond strength of fiber post to root canal dentin

2009 ◽  
Vol 108 (2) ◽  
pp. e74-e80 ◽  
Author(s):  
Ebru Özsezer Demiryürek ◽  
Şafak Külünk ◽  
Duygu Saraç ◽  
Gözde Yüksel ◽  
Bilinç Bulucu
Keyword(s):  
Bond Strength ◽  
Root Canal ◽  
Surface Treatments ◽  
Fiber Post ◽  
Root Canal Dentin ◽  
Push Out

Early bond strengths of fiber posts to root canal

2012 ◽  
Vol 28 ◽  
pp. e7-e8
Author(s):  
A.L. Faria-E-Silva ◽  
A.A. Mendonça ◽  
R.M. Garcez ◽  
A.S. Oliveira ◽  
A.G. Moreira ◽  
...  
Keyword(s):  
Root Canal ◽  
Fiber Posts ◽  
Bond Strengths

Influence of calcium hydroxide dressing and acid etching on the push-out bond strengths of three luting resins to root canal dentin

2013 ◽  
Vol 18 (2) ◽  
pp. 489-498 ◽  
Author(s):  
Bor-Shiunn Lee ◽  
Yu-Chen Lin ◽  
Sing-Fu Chen ◽  
Shu-Yu Chen ◽  
Che-Chen Chang
Keyword(s):  
Calcium Hydroxide ◽  
Root Canal ◽  
Acid Etching ◽  
Bond Strengths ◽  
Root Canal Dentin ◽  
Luting Resins ◽  
Push Out

scholarly journals Effect of Nd:YAG laser in the bond strength of fiberglass posts

2015 ◽  
Vol 18 (4) ◽  
pp. 19
Author(s):  
Rayssa Ferreira Zanatta ◽  
Beatriz Maria da Fonseca ◽  
Stella Renata Steves ◽  
Carlos Rocha Gomes Torres ◽  
Sergio Eduardo Paiva Gonçalves
Keyword(s):  
Bond Strength ◽  
Laser Irradiation ◽  
Nd:Yag Laser ◽  
Root Canal ◽  
Testing Machine ◽  
Adhesive System ◽  
Bonding Performance ◽  
Fiber Posts ◽  
Bond Strengths ◽  
Push Out

<p>The aim of the present study was to compare the effects of Nd:YAG laser application in root canals on bond strengths of fiber posts. Thirty single-rooted bovines were randomly divided into three groups (n=10); root canal instrumentation was performed, and pretreatment was conducted as follows: C group: conventional treatment (without laser irradiation); ALC group: Nd:YAG laser was applied after adhesive; and LAC group: Nd:YAG laser was applied before adhesive. The fiber posts Rebilda 15 DC (Voco) were cemented with an adhesive system and resin cement, in accordance with the manufacturer’s instructions. Six slices with 1.0mm height was obtained for of each root and bond strength was measured by push-out test using a universal testing machine (0.5 mm/min). Data were analyzed using Kruskal-Wallis and Dunn’s tests (p &lt;0.05). Push-out bond strengths to root canal dentin were affected by the type of treatment and root third. The use of Nd:YAG laser after the application of adhesive system had a higher bonding performance compared with the use of laser before the application. Also, cervical and medium third presented higher bond strength values than the apical third. It must be conclude that the laser irradiation over the non-cured adhesive system is more efficient for increase in bond strength than the irradiation after the application of the adhesive. However, the use of 60mJ of laser energy is not sufficient to improve the bonding performance.</p>

Bond strength of fiber posts and short fiber-reinforced composite to root canal dentin following cyclic loading

2016 ◽  
Vol 31 (13) ◽  
pp. 1397-1407 ◽  
Author(s):  
Emre Nagas ◽  
Isil Cekic-Nagas ◽  
Ferhan Egilmez ◽  
Gulfem Ergun ◽  
Pekka K. Vallittu ◽  
...  
Keyword(s):  
Cyclic Loading ◽  
Bond Strength ◽  
Root Canal ◽  
Short Fiber ◽  
Fiber Reinforced ◽  
Fiber Reinforced Composite ◽  
Fiber Posts ◽  
Reinforced Composite ◽  
Root Canal Dentin

scholarly journals Fracture Resistance of Simulated Immature Teeth after Different Intra-radicular Treatments

2015 ◽  
Vol 26 (3) ◽  
pp. 211-215 ◽  
Author(s):  
Gustavo Sivieri-Araujo ◽  
Mario Tanomaru-Filho ◽  
Juliane Maria Guerreiro-Tanomaru ◽  
Eduardo Antunes Bortoluzzi ◽  
Érica Gouveia Jorge ◽  
...  
Keyword(s):  
Glass Fiber ◽  
Fracture Strength ◽  
Root Canal ◽  
Fracture Resistance ◽  
Testing Machine ◽  
Fiber Post ◽  
Immature Teeth ◽  
Fiber Posts ◽  
Glass Fiber Posts ◽  
Glass Fiber Post

The aim of this study was to evaluate the fracture resistance of simulated immature teeth after different intra-radicular treatments. Crowns and roots of bovine incisors were cut transversally and removed to simulate immature teeth. Root canal preparation and flaring were performed using a bur in crown-apex and apex-crown direction. The samples were distributed into 5 groups (n=10): Positive control (PoC) - no root canal flaring or filling; Negative control (NeC) - teeth were sectioned and their root canals were flared; Direct anatomical glass fiber post (RaP) - #2 Reforpost main glass fiber post relined with composite resin; Double tapered conical glass fiber posts (ExP) - #3 Exacto glass fiber post; and #2 Reforpost main glass fiber + Reforpin accessory glass fiber posts (RrP). In RaP, ExP and RrP, 4.0-mm apical plugs were done with MTA Angelus. The specimens were embedded in polystyrene resin inside cylinders and the periodontal ligament was simulated with a polyether-based impression material. The specimens were submitted to compressive fracture strength test (0.5 mm/min at 135° relative to the long axis of the tooth) in a servo-hydraulic mechanical testing machine MTS 810. Data were subjected to one-way ANOVA and Dunnett's C or Tukey's tests (α=0.05). The control groups (PoC and NeC) showed lower fracture strength than the experimental groups. NeC presented the lowest resistance and ExP presented the highest resistance among the experimental groups. The flaring procedures produced a detrimental effect on the fracture resistance of the bovine teeth. Glass fiber intra-radicular posts increased significantly the fracture resistance of simulated immature teeth.

Effects of Eugenol on Resin Bond Strengths to Root Canal Dentin

2001 ◽  
Vol 27 (6) ◽  
pp. 411-414 ◽  
Author(s):  
E NGOH ◽  
D PASHLEY ◽  
R LOUSHINE ◽  
R WELLER ◽  
W KIMBROUGH
Keyword(s):  
Root Canal ◽  
Bond Strengths ◽  
Root Canal Dentin

scholarly journals Regional bond strengths to root canal dentin of fiber posts luted with three cementation systems

2011 ◽  
Vol 22 (6) ◽  
pp. 460-467 ◽  
Author(s):  
Giovana Mongruel Gomes ◽  
Osnara Maria Mongruel Gomes ◽  
Alessandra Reis ◽  
João Carlos Gomes ◽  
Alessandro Dourado Loguercio ◽  
...  
Keyword(s):  
Bond Strength ◽  
Root Canal ◽  
Repeated Measures ◽  
Resin Cement ◽  
Failure Pattern ◽  
Fiber Posts ◽  
Significant Difference ◽  
Root Canal Dentin ◽  
Adhesive Cement ◽  
Push Out

This study evaluated the influence of the cementation system on the regional push-out bond strength and failure pattern of fiber posts to radicular dentin. The roots of 48 extracted human incisors were prepared and divided into 3 groups (n=16), according to the cementation system: AdperScotchbond Multi-Purpose + resin cement RelyX ARC (SBMP+ARC); Adper SingleBond 2 + RelyX ARC (SB+ARC) and; RelyX U100 self-adhesive resin cement (U100). The posts were cemented as per manufacturer’s instructions for each cementation system. After 1 week, the roots were sectioned transversely into 6 discs. Two discs were obtained from the cervical, middle and apical thirds and the push-out test was carried out. The failure pattern was examined on all debonded specimens. The data were analyzed by two-way repeated measures ANOVA and Tukey’s test. When U100 was used, no statistically significant difference (p>0.05) was observed among the different root regions. Statistically higher push-out bond strength values were detected in the cervical third for SBMP+ARC and SB+ARC (p<0.05). The U100 showed significantly more mixed failures than SBMP+ARC in the apical third (p<0.05). In conclusion, the self-adhesive cement RelyX U100 was the only cement not sensitive to the root canal region.

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